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參數(shù)資料
| 型號： | AD5170BRMZ50-RL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 19/24頁 |
| 文件大小： | 0K |
| 描述： | IC DGTL POT 256POS 50K 10MSOP |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 接片： | 256 |
| 電阻（歐姆）： | 50k |
| 電路數(shù)： | 1 |
| 溫度系數(shù)： | 標(biāo)準(zhǔn)值 35 ppm/°C |
| 存儲器類型： | 易失 |
| 接口： | I²C，2 線串口 |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 10-TFSOP，10-MSOP（0.118"，3.00mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 10-MSOP |
| 包裝： | 帶卷 (TR) |
AD5170
Rev. G | Page 4 of 24
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS: 2.5 kΩ
VDD = 5 V ± 10% or 3 V ± 10%, VA = VDD, VB = 0 V, 40°C < TA < +125°C, unless otherwise noted.
Table 1.
Parameter
Symbol
Conditions
Min
Typ1
Max
Unit
DC CHARACTERISTICS—RHEOSTAT MODE
Resistor Differential Nonlinearity2
R-DNL
RWB, VA = no connect
2
±0.1
+2
LSB
R-INL
RWB, VA = no connect
14
±2
+14
LSB
Nominal Resistor Tolerance3
RAB
TA = 25°C
20
+55
%
Resistance Temperature Coefficient
(RAB/RAB)/T
35
ppm/°C
RWB (Wiper Resistance)
RWB
Code = 0x00, VDD = 5 V
160
200
Ω
DC CHARACTERISTICS—POTENTIOMETER DIVIDER
MODE (SPECIFICATIONS APPLY TO ALL VRs)
Differential Nonlinearity4
DNL
1.5
±0.1
+1.5
LSB
Integral Nonlinearity4
INL
2
±0.6
+2
LSB
Voltage Divider Temperature Coefficient
(VW/VW)/T
Code = 0x80
15
ppm/°C
Full-Scale Error
VWFSE
Code = 0xFF
14
5.5
0
LSB
Zero-Scale Error
VWZSE
Code = 0x00
0
4.5
12
LSB
RESISTOR TERMINALS
Voltage Range5
VA, VB, VW
GND
VDD
V
Capacitance A, Capacitance B6
CA, CB
f = 1 MHz, measured to GND,
code = 0x80
45
pF
CW
f = 1 MHz, measured to GND,
code = 0x80
60
pF
Shutdown Supply Current7
IA_SD
VDD = 5.5 V
0.01
1
μA
Common-Mode Leakage
ICM
VA = VB = VDD/2
1
nA
DIGITAL INPUTS AND OUTPUTS
Input Logic High (SDA and SCL)8
VIH
VDD = 5 V
0.7 VDD
VDD + 0.5
V
VIL
VDD = 5 V
0.5
+0.3 VDD
V
Input Logic High (AD0 and AD1)
VIH
VDD = 3 V
2.1
V
Input Logic Low (AD0 and AD1)
VIL
VDD = 3 V
0.6
V
Input Current
IIL
VIN = 0 V or 5 V
±1
μA
CIL
5
pF
POWER SUPPLIES
Power Supply Range
VDD RANGE
2.7
5.5
V
VDD_OTP
TA = 25°C
5.6
5.7
5.8
V
Supply Current
IDD
VIH = 5 V or VIL = 0 V
3.5
6
μA
IDD_OTP
VDD_OTP = 5 V, TA = 25°C
100
mA
Power Dissipation12
PDISS
VIH = 5 V or VIL = 0 V, VDD = 5 V
33
μW
Power Supply Sensitivity
PSS
VDD = 5 V ± 10%, code =
midscale
±0.02
±0.08
%/%
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